🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.2

Radius: 10.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,624,474 km

• M1: 125,662 km (0.067 R)
• M2: 459,415 km (0.07 R)
• M3: 843,882 km (0.102 R)
• M4: 1,351,318 km (0.11 R)
• M5: 1,860,250 km (0.047 R)
• M6: 2,183,830 km (0.1 R)
• M7: 2,668,676 km (0.118 R)
• M8: 3,004,823 km (0.045 R)
• M9: 3,348,449 km (0.074 R)
• M10: 3,707,035 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 11.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 8.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,624,474 km

• M1: 146,756 km (0.082 R)
• M2: 780,003 km (0.074 R)
• M3: 1,180,477 km (0.064 R)
• M4: 1,624,184 km (0.105 R)
• M5: 2,291,989 km (0.068 R)
• M6: 2,663,141 km (0.083 R)
• M7: 3,105,203 km (0.094 R)
• M8: 4,225,841 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.8 AU - 0.92 AU

Year: 532 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,624,474 km

• M1: 101,278 km (0.103 R)
• M2: 356,791 km (0.101 R)
• M3: 881,281 km (0.09 R)
• M4: 1,524,701 km (0.076 R)
• M5: 1,804,001 km (0.065 R)
• M6: 2,586,398 km (0.087 R)
• M7: 2,875,570 km (0.084 R)
• M8: 3,350,244 km (0.078 R)
• M9: 4,830,665 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 12

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.03 AU

Year: 541 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,624,474 km

• M1: 149,747 km (0.095 R)
• M2: 567,874 km (0.034 R)
• M3: 1,232,387 km (0.12 R)
• M4: 1,617,602 km (0.086 R)
• M5: 2,137,754 km (0.029 R)
• M6: 2,545,258 km (0.043 R)
• M7: 3,380,463 km (0.059 R)
• M8: 3,903,158 km (0.099 R)
• M9: 4,277,153 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 9.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.43 AU - 1.69 AU

Year: 1299 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,624,474 km

• M1: 114,442 km (0.104 R)
• M2: 422,614 km (0.051 R)
• M3: 1,148,612 km (0.105 R)
• M4: 1,679,087 km (0.025 R)
• M5: 2,063,852 km (0.095 R)
• M6: 2,435,603 km (0.071 R)
• M7: 3,277,839 km (0.09 R)
• M8: 3,584,963 km (0.048 R)
• M9: 4,169,293 km (0.106 R)
• M10: 4,577,545 km (0.109 R)
• M11: 5,248,342 km (0.075 R)
• M12: 6,002,166 km (0.091 R)
• M13: 6,826,151 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 12.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.5 AU - 2.2 AU

Year: 1678 Days

Day: 15 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,624,474 km

• M1: 167,250 km (0.052 R)
• M2: 603,478 km (0.068 R)
• M3: 1,132,306 km (0.093 R)
• M4: 1,862,643 km (0.05 R)
• M5: 2,571,887 km (0.093 R)
• M6: 3,034,742 km (0.088 R)
• M7: 3,586,609 km (0.096 R)
• M8: 4,112,445 km (0.067 R)
• M9: 5,958,633 km (0.103 R)
• M10: 7,199,547 km (0.025 R)
• M11: 7,724,785 km (0.103 R)
• M12: 8,364,615 km (0.056 R)
• M13: 8,790,072 km (0.083 R)
• M14: 10,222,471 km (0.084 R)
• M15: 11,066,652 km (0.037 R)
• M16: 11,692,270 km (0.113 R)
• M17: 12,419,316 km (0.092 R)
• M18: 14,006,250 km (0.074 R)
• M19: 14,826,495 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 10.4

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.89 AU - 3.01 AU

Year: 2557 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,624,474 km

• M1: 129,402 km (0.077 R)
• M2: 475,272 km (0.12 R)
• M3: 864,676 km (0.115 R)
• M4: 1,674,599 km (0.111 R)
• M5: 2,417,352 km (0.116 R)
• M6: 5,085,280 km (0.103 R)
• M7: 6,345,194 km (0.095 R)
• M8: 7,170,376 km (0.109 R)
• M9: 8,334,397 km (0.037 R)
• M10: 10,310,734 km (0.083 R)
• M11: 11,576,930 km (0.08 R)
• M12: 12,447,141 km (0.068 R)
• M13: 12,852,551 km (0.089 R)
• M14: 13,220,562 km (0.069 R)
• M15: 15,064,954 km (0.07 R)
• M16: 17,075,101 km (0.109 R)
• M17: 18,086,981 km (0.072 R)
• M18: 21,491,529 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.6

Radius: 7.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.73 AU - 6.69 AU

Year: 10320 Days

Day: 19.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,624,474 km

• M1: 92,003 km (0.115 R)
• M2: 720,912 km (0.092 R)
• M3: 964,308 km (0.12 R)
• M4: 1,501,065 km (0.117 R)
• M5: 1,878,650 km (0.112 R)
• M6: 3,035,790 km (0.093 R)
• M7: 4,277,302 km (0.085 R)
• M8: 4,820,343 km (0.057 R)
• M9: 5,094,555 km (0.057 R)
• M10: 5,496,226 km (0.119 R)
• M11: 6,074,721 km (0.041 R)
• M12: 6,330,234 km (0.091 R)
• M13: 7,533,450 km (0.086 R)
• M14: 7,866,006 km (0.097 R)
• M15: 9,087,323 km (0.102 R)
• M16: 10,521,069 km (0.104 R)
• M17: 13,995,180 km (0.115 R)
• M18: 14,955,598 km (0.094 R)
• M19: 17,515,966 km (0.103 R)
• M20: 18,100,295 km (0.082 R)
• M21: 18,967,215 km (0.082 R)
• M22: 19,861,511 km (0.071 R)
• M23: 20,354,585 km (0.077 R)
• M24: 24,436,214 km (0.104 R)
• M25: 30,404,421 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.4

Radius: 7.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.23 AU - 7.23 AU

Year: 10370 Days

Day: 17.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,624,474 km

• M1: 92,601 km (0.098 R)
• M2: 471,532 km (0.093 R)
• M3: 1,022,501 km (0.115 R)
• M4: 1,276,818 km (0.08 R)
• M5: 3,006,169 km (0.114 R)
• M6: 3,980,351 km (0.052 R)
• M7: 7,994,361 km (0.083 R)
• M8: 8,431,037 km (0.096 R)
• M9: 9,094,653 km (0.103 R)
• M10: 9,439,177 km (0.057 R)
• M11: 9,703,217 km (0.104 R)
• M12: 10,525,407 km (0.12 R)
• M13: 11,442,592 km (0.101 R)
• M14: 11,895,275 km (0.116 R)
• M15: 12,622,919 km (0.03 R)
• M16: 15,344,254 km (0.067 R)
• M17: 15,771,206 km (0.095 R)
• M18: 16,268,918 km (0.097 R)
• M19: 16,970,382 km (0.056 R)
• M20: 17,361,431 km (0.076 R)
• M21: 19,763,076 km (0.05 R)
• M22: 20,635,081 km (0.082 R)
• M23: 26,674,796 km (0.091 R)
• M24: 28,009,658 km (0.053 R)
• M25: 28,372,882 km (0.117 R)
• M26: 29,295,153 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.2

Radius: 3.3

Gravity: 50.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.21 AU - 7.89 AU

Year: 12483 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,624,474 km

• M1: 41,139 km (0.072 R)
• M2: 157,078 km (0.115 R)
• M3: 525,537 km (0.107 R)
• M4: 754,123 km (0.076 R)
• M5: 916,586 km (0.11 R)
• M6: 1,235,080 km (0.062 R)
• M7: 1,607,728 km (0.072 R)
• M8: 1,795,474 km (0.071 R)
• M9: 2,196,246 km (0.082 R)
• M10: 3,100,865 km (0.072 R)
• M11: 3,808,463 km (0.086 R)
• M12: 4,228,683 km (0.115 R)
• M13: 4,932,092 km (0.063 R)
• M14: 5,160,827 km (0.114 R)
• M15: 5,499,816 km (0.049 R)
• M16: 5,710,151 km (0.115 R)
• M17: 7,851,794 km (0.077 R)
• M18: 8,254,212 km (0.064 R)
• M19: 9,593,861 km (0.117 R)
• M20: 12,634,587 km (0.1 R)
• M21: 13,124,520 km (0.117 R)
• M22: 15,764,773 km (0.114 R)
• M23: 15,976,005 km (0.083 R)
• M24: 17,734,229 km (0.118 R)
• M25: 25,089,358 km (0.106 R)
• M26: 25,280,993 km (0.075 R)
• M27: 26,950,056 km (0.05 R)
• M28: 28,274,895 km (0.114 R)
• M29: 31,943,783 km (0.037 R)
• M30: 37,645,407 km (0.106 R)
• M31: 37,896,581 km (0.079 R)
• M32: 43,434,695 km (0.037 R)
• M33: 46,829,220 km (0.113 R)
• M34: 47,411,604 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 13,341 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit